2007 Triumph Sprint ST. The faster you go, the more economical it gets. I'd usually fill up around 230 miles. (5.2 gallon tank) The newer GT's get even better mileage. Calculated MPG while doing about 85-90mph indicated for hours was 53mpg.

BMW GS - 8 gallons. You can pretty easily make it to 300 miles if you're careful.

I've also heard that the Honda ST1300 would go around 300....oh and the Striking Viking had a massive tank for his 650GS - 9 gallons or something. I think he said he could get some insane like 600 or 700 miles on a tank

Yamaha FZ6. 5.1 gallon tank, .9 left after the fuel light comes on. My average over 8k miles running 87 octane is 49mpg. 49 x 4.2 = 206 miles before the light comes on, then another 40 miles before you're dry. On average.

Really a stellar mile eater. keep it under 70 and mileage rises significantly. I did that for a whole tank. Once.

Honda ST1300 with a 7.76 gallon tank.....................I've pushed it as far as 350 miles, but normally I go about 280-300 before a refuel. Getting too low in the lower tank is not good for the fuel pump.

Honda ST1300 with a 7.76 gallon tank.....................I've pushed it as far as 350 miles, but normally I go about 280-300 before a refuel. Getting too low in the lower tank is not good for the fuel pump.

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second that !!!!

best Touring bike in the world .... more range than any other OEM bike

Moto Guzzi Norge 1200. I usually fill up with my friends so we can compare mileage at around 150 miles. That being said, I have a 6 gallon tank and I can get near 47mpg. So 230 to 240 is pretty good. I usually don't want to push it past 225 since my mileage can vary from 42 to 47.